.treegrid-indent {width:16px; height: 16px; display: inline-block; position: relative;}
.treegrid-expander {width:16px; height: 16px; display: inline-block; position: relative; cursor: pointer;}

.treegrid-expander-expanded,.treegrid-expander-collapsed{
    font-family: layui-icon!important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.treegrid-expander-expanded:before{content: "\e625";}
.treegrid-expander-collapsed:before{content: "\e623";}